CN104015809B - Back structure of vehicle body - Google Patents
Back structure of vehicle body Download PDFInfo
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- CN104015809B CN104015809B CN201410046018.5A CN201410046018A CN104015809B CN 104015809 B CN104015809 B CN 104015809B CN 201410046018 A CN201410046018 A CN 201410046018A CN 104015809 B CN104015809 B CN 104015809B
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- strengthening part
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- base plate
- vehicle body
- back structure
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Abstract
The present invention provides a kind of and does not hinder boot connectivity capabilities and can ensure that the rigidity of body tail and the back structure of vehicle body of intensity.Back structure of vehicle body has: floor board (2)；The pair of rear wheels cover (3) erected from the both ends, overall width direction of floor board (2)；So that the Rear Parcel Shelf (4) that the mode that the upper end of rear wheel cover (3) is connected to each other extends along overall width direction；The boot open communication portion (C) being surrounded by floor board (2), rear wheel cover (3) and Rear Parcel Shelf (4) and being formed；With the first strengthening part (10) and the second strengthening part (20) strengthening boot open communication portion (C).First strengthening part (10) links the side, upper end of floor board (2) and rear wheel cover (3), and is provided with joggling part (11) in length direction midway.Second strengthening part (20) links floor board (2) and joggling part (11).
Description
Technical field
The present invention relates to back structure of vehicle body.
Background technology
As conventional back structure of vehicle body, it is known that one is capable of making car room and luggage case
The structure of so-called boot connection (Trunk Through) of connection.
In this back structure of vehicle body, owing to being formed in the boundary portion with luggage case of the car room
Boot open communication portion, so the rigidity of body tail and intensity can reduce.Then, with
Past, develop much for strengthening possessing the back structure of vehicle body in boot open communication portion
Technology, and reached practical.
For example, Patent Document 1 discloses an invention, it possesses by base plate, from base plate
The pair of rear wheels cover that erects of both ends, overall width direction and so that the upper end of rear wheel cover each other
The Rear Parcel Shelf (rear parcel) that the mode connected extends along overall width direction surrounds and is formed
Boot open communication portion, by a pair pipe with X font (cross-like) be arranged in base plate with
Between Rear Parcel Shelf, which thereby enhance rigidity and the intensity of body tail.
Prior art literature
Patent documentation 1: Japanese Unexamined Patent Publication 2008-230518 publication
But, in the structure of patent documentation 1, because by the pipe of linearity with X font
Configuration, so boot open communication portion has been partitioned into multiple narrow and small region, boot
Connectivity capabilities receives the biggest obstruction.
Summary of the invention
The present invention proposes from this point of view, to provide one not hinder boot
Connectivity capabilities and be able to ensure that the rigidity of body tail and the back structure of vehicle body of intensity are class
Topic.
In order to solve above-mentioned problem, the present invention provides a kind of back structure of vehicle body, and it has:
Base plate；The pair of rear wheels cover erected from the both ends, overall width direction of described base plate；So that it is described
The Rear Parcel Shelf that the mode that the upper end of rear wheel cover is connected to each other extends along overall width direction；By institute
The boot open communication stating base plate, described rear wheel cover and the encirclement of described Rear Parcel Shelf and formed
Portion；With strengthen described boot open communication portion strengthening part, this back structure of vehicle body
Being characterised by, described strengthening part has: the first strengthening part, links described base plate and institute
State the side, upper end of rear wheel cover, and be provided with joggling part in length direction midway；With link institute
State the second strengthening part of base plate and described joggling part.
According to the present invention, because being provided with joggling part in the length direction midway of the first strengthening part,
So the freedom shape of the first strengthening part improves.Therefore, even if strengthening by first
In the case of boot open communication portion is divided into multiple region by parts, also can be with can be true
The mode protecting wider region makes the first strengthening part warpage, and obtains and do not hinder boot even
The structure of logical function.It addition, according to the present invention, the first strengthening part links base plate and trailing wheel
The side, upper end of cover, it is possible to guarantee rigidity and the intensity of body tail.Especially, exist
In the present invention, because the second strengthening part links base plate and joggling part, so improve supporting
The rigidity of the joggling part of the first strengthening part and intensity.Therefore, even if at the first strengthening part
In the case of being provided with joggling part, the rigidity of the first strengthening part also can be suppressed to reduce and intensity
Reduce, and can suitably guarantee rigidity and the intensity of body tail.
Additionally, it is preferred that be, the back structure of vehicle body of the present invention also has and extends along the longitudinal direction
Rear frame, this Rear frame is fixed on the lower surface of described base plate and is fixed on overall width direction
On both ends, described second strengthening part be fixed on described Rear frame to arrange position corresponding
Described base plate upper surface on.
According to this composition because the second strengthening part be fixed on higher with rigidity and intensity after
On the upper surface arranging base plate corresponding to position of vehicle frame, so improve the second strengthening part
Installation rigidity and installation strength.Accordingly, because improve the folding of supporting the first strengthening part
The rigidity of pars convoluta and intensity, it is possible to make the rigidity of body tail and intensity improve.
Additionally, it is preferred that be, the back structure of vehicle body of the present invention also have link described base plate with
The gusset of the side, bottom of described rear wheel cover, described second strengthening part and described gusset
Jointly be fastened on on the upper surface that described base plate corresponding to position is set of described Rear frame.
According to this composition, because also having the angle brace linking base plate with the side, bottom of rear wheel cover
Plate, it is possible to improve rigidity and the intensity of the side, bottom of rear wheel cover.It addition, because will
This gusset and the second strengthening part be jointly fastened on Rear frame the end that position is corresponding, is set
On the upper surface of plate, so improve installation rigidity and the installation strength of the second strengthening part.
Accordingly, because improve rigidity and the intensity of the joggling part of supporting the first strengthening part, so
Rigidity and the intensity that can make body tail improve.
Additionally, it is preferred that be, in the back structure of vehicle body of the present invention, described first strengthening part
Being divided into right strengthening part and left strengthening part and constitute, this right strengthening part is with the described end
The overall width direction center side of plate is that boundary is arranged in right side, and this left strengthening part is with described base plate
Overall width direction center side be boundary be arranged in left side, described right strengthening part and a described left side add
The bottom of strong parts is fixed on the overall width direction center side of described base plate.
According to this composition, because the first strengthening part is divided into right strengthening part and left reinforcement
Parts and constitute, this right strengthening part is arranged in the overall width direction center side of base plate as boundary
Right side, this left strengthening part is arranged in left side with the overall width direction center side of base plate as boundary,
It is mounted in car with compact and light weight state it is possible to be divided into two by the first strengthening part
In, and, improve workability when being assembled on vehicle body by the first strengthening part.It addition,
Because right strengthening part links the overall width direction center side of base plate and the side, upper end of off hind wheel cover, left
Strengthening part links the overall width direction center side of base plate and the side, upper end of left back wheel cover, so left and right
Strengthening part with herringbone (substantially V-shaped) configure.Therefore, it is possible to broader ground is really
Protect in boot open communication portion by the strengthening part of left and right, the rear wheel cover of left and right and rearmounted
The region that thing plate surrounds, more will not hinder boot connectivity capabilities therefore, it is possible to obtain
Structure.
Additionally, it is preferred that be, the back structure of vehicle body of the present invention also has described right rib
The first bracket that part and described left strengthening part are connected with described base plate, described first bracket
Have: be arranged on the front table of any one party in described right strengthening part and described left strengthening part
The first front rack on face and being arranged in described right strengthening part and described left strengthening part
The first tail-bracket on the rear surface of the opposing party, described right strengthening part and described left rib
Part is interconnected by fixing described first front rack and described first tail-bracket.
According to this composition, because right strengthening part and left strengthening part are by fixing the first forestock
Frame and the first tail-bracket and interconnected, and via the first front rack and the first tail-bracket
Link with base plate, even if so in the case of the first strengthening part is divided into two, also can
Suppress installation rigidity and the reduction of installation strength of the first strengthening part.It addition, by by
One front rack and the first tail-bracket are fixed on base plate after fixing again, it is possible to by left rib
Part is also secured on base plate with the state linked with right strengthening part, therefore, even if inciting somebody to action
In the case of first strengthening part is divided into two, also can improve and the first strengthening part is assembled into
Workability time on base plate.
It addition, the back structure of vehicle body of the present invention also has the institute of described first strengthening part
State joggling part and described second strengthening part sandwiches and the second fixing torr in the longitudinal direction
Frame.
According to this composition, because also having, the joggling part and second of the first strengthening part is strengthened
Parts sandwich and the second fixing bracket in the longitudinal direction, it is possible to strengthen the first reinforcement
Parts and the linking part of the second strengthening part.Particularly since the first rib can be strengthened
The joggling part of part, even if so in the case of being provided with joggling part, also on the first strengthening part
Can suppress the rigidity of the first strengthening part and the reduction of intensity, and after suitably guaranteeing vehicle body
The rigidity in portion and intensity.
Additionally, it is preferred that be, the back structure of vehicle body of the present invention also has and is arranged in described second
Outside the overall width direction of bracket and link described first strengthening part and described second rib
The strenthening member of part.
According to this composition because also have be arranged in outside the overall width direction of the second bracket and
Link the first strengthening part and the strenthening member of the second strengthening part, even if so having in effect
In the case of the power on direction separate between the first strengthening part and the second strengthening part,
Supported between the first strengthening part and the second strengthening part by strenthening member, also can suppress
Separately deformation, and the rigidity of body tail and intensity can be made to improve.
Additionally, it is preferred that be, in the back structure of vehicle body of the present invention, described strenthening member is passed through
Extend along above-below direction between described first strengthening part and described second strengthening part
Plate body is constituted.
According to this composition, because strenthening member is by the first strengthening part and the second rib
The plate body extended along above-below direction between part is constituted, even if so having in effect and add first
By force between parts and the second strengthening part in the case of the power on separate direction, pass through plate body
Strenthening member support between the first strengthening part and the second strengthening part, also can suppress point
Open deformation, and the rigidity of body tail and intensity can be made to improve.
Additionally, it is preferred that be, in the back structure of vehicle body of the present invention, in described strenthening member
On, it is set side by side with along overall width direction and bloats along the longitudinal direction and vertically extending
Multiple reinforcements.
According to this composition, because being set side by side with along front along overall width direction in strenthening member
Rear is to bloating and vertically extending multiple reinforcements, so improve strenthening member
The rigidity of self and intensity.Therefore, even if having in effect and the first strengthening part and second being added
Between strong parts in the case of the power on separate direction, strengthened first by strenthening member
Support between parts and the second strengthening part, also can suppress further separately to deform, and can make
Rigidity and the intensity of body tail improve further.
Additionally, it is preferred that be, the back structure of vehicle body of the present invention also has: with along overall width direction
The mode extended is arranged in the top of described base plate and is provided with the seat beam of seat；With
Leading section is arranged on described seat beam and rearward end and described first front rack and described
The first seat crossbar bracket that first tail-bracket fastens jointly.
According to this composition, because the first front rack and the first tail-bracket are via the first seat beam
Bracket and be arranged on rigidity and the higher seat beam of intensity, it is possible to make the first forestock
The installation rigidity of frame and the first tail-bracket and installation strength improve.
Additionally, it is preferred that be, in the back structure of vehicle body of the present invention, described first tail-bracket
There is the extension forwards extended compared with described seat beam, described back structure of vehicle body
Also there is rearward end be arranged on described seat beam and leading section and described first tail-bracket
The second seat beam bracket of jointly fastening of described extension.
According to this composition, because the first tail-bracket is arranged on via the second seat beam bracket
In rigidity and the higher seat beam of intensity, it is possible to make the installation rigidity of the first tail-bracket
Improve with installation strength.
Invention effect
In accordance with the invention it is possible to provide one do not hinder boot connectivity capabilities and can ensure that
The rigidity of body tail and the back structure of vehicle body of intensity.
Accompanying drawing explanation
Fig. 1 be from left front top view to the car being suitable for embodiments of the present invention
The approximate three-dimensional map of the body tail of cage structure after one's death.
Fig. 2 is to represent to unload seat beam, the first seat horizontal stroke from the body tail shown in Fig. 1
The approximate three-dimensional map of the state after beam bracket and the second seat beam bracket.
Fig. 3 is the enlarged partial isometric view in the left side representing body tail.
Fig. 4 is I-I line sectional view of Fig. 3.
Fig. 5 is the enlarged partial isometric view of the center side representing body tail.
Fig. 6 be represent and make the first front rack in embodiment and the first tail-bracket separate after
The enlarged partial isometric view of state.
Fig. 7 is to represent the first strengthening part made in embodiment, the second strengthening part and
The axonometric chart of the state after two brackets separation.
Fig. 8 is II-II line sectional view of the Fig. 3 in the cross section representing strenthening member.
Fig. 9 is the enlarged partial isometric view of the center side representing body tail.
Figure 10 is III-III line sectional view of Fig. 9.
Figure 11 be represent and make the first strengthening part in variation and the second strengthening part separate after
The axonometric chart of state.
Description of reference numerals
V-vehicle,
C-boot open communication portion,
10-the first strengthening part (strengthening part),
The left strengthening part of 10L-,
The right strengthening part of 10R-,
11-joggling part,
20-the second strengthening part (strengthening part),
30-the first bracket,
31-the first front rack,
32-the first tail-bracket,
Extension after 32b-,
40-the second bracket,
41-the second front rack,
42-the second tail-bracket,
50-strenthening member,
51-reinforcement,
2-floor board (base plate),
3-rear wheel cover,
4-Rear Parcel Shelf,
5-Rear frame,
6-gusset,
7-seat beam,
S-back seat,
8-the first seat crossbar bracket,
9-the second seat beam bracket.
Detailed description of the invention
Referring to the drawings, embodiments of the present invention are illustrated.In explanation, same key element is composed
Give same reference, and omit repeat specification.Additionally, " front and back " shown in arrow in each figure
Representing vehicle body fore-and-aft direction, " up and down " represents vehicle body above-below direction, and " left and right " represents from driving
The left and right directions (overall width direction) that seat is seen.
Fig. 1 be from left front top view to the vehicle body being suitable for embodiments of the present invention after
The approximate three-dimensional map of the body tail of cage structure.
As it is shown in figure 1, the vehicle V of the back structure of vehicle body being suitable in embodiments of the present invention,
It is that the so-called boot that can connect car room CR and luggage case LR connects the automobile designed, mainly
Have floor board 2, pair of right and left rear wheel cover 3, Rear Parcel Shelf 4, pair of right and left Rear frame 5,
Pair of right and left gusset 6, strengthen tectosome 1, seat beam the 7, first seat crossbar bracket 8,
With the second seat beam bracket 9.It addition, vehicle V is on the border of car room CR Yu luggage case LR
There is in portion boot open communication portion C.Boot open communication portion C is by floor board 2, a left side
Right rear wheel cover 3 and Rear Parcel Shelf 4 surround and are formed.Additionally, floor board 2, left and right
Rear wheel cover 3 and Rear Parcel Shelf 4 constitute the cyclic skeleton of body tail.
<floor board>
Fig. 2 is to represent to unload seat beam, the first seat beam torr from the body tail shown in Fig. 1
The approximate three-dimensional map of the state after frame and the second seat beam bracket.
As in figure 2 it is shown, floor board 2 is the metal plate-shaped member of the base surface forming vehicle V.
Floor board 2 has: possess the floor body 2a of the recess 2c of spare tyre storage；With by weldering
The pair of right and left base plate sidepiece part 2b connect and be fixed on the both ends, left and right of floor body 2a.?
On the upper surface of the leading section of floor body 2a, it is formed for arranging described later with horizontal
One bracket 30 face is set.Base plate sidepiece part 2b along with tend to outside car with step-like higher
Formed.About base plate sidepiece part 2b, rear extended meeting illustrates.
<rear wheel cover>
Rear wheel cover 3 is the metal of the function with the outer peripheral face first half covering not shown rear wheel
Parts processed.As in figure 2 it is shown, rear wheel cover 3 is fixed on base plate sidepiece part 2b by welding,
And erect from the both ends, left and right of floor board 2.
<Rear Parcel Shelf>
As in figure 2 it is shown, Rear Parcel Shelf 4 is so that the upper end of rear wheel cover 3 of left and right connects each other
The metal plate-shaped member that the mode connect is extended along overall width direction.A left side for Rear Parcel Shelf 4
Right both ends are fixed on the upper end of rear wheel cover 3 by welding.The front end of Rear Parcel Shelf 4
Portion is towards front obliquely downward warpage.
<Rear frame>
Rear frame 5 is the metal making sheet of the function of rigidity and the intensity having and improving body tail
Shape parts.As in figure 2 it is shown, Rear frame 5 is arranged in the left and right sides and the configuration of body tail
In lower section and the most extended.As described later, Rear frame 5 is by welding
It is fixed on the lower surface at both ends, left and right of floor board 2.Rear frame 5 in left and right that
Between this, extended along overall width direction have rear cross beam M.About Rear frame 5, rear extended meeting
Illustrate.
<gusset>
As in figure 2 it is shown, gusset 6 is the side, bottom linking floor board 2 with rear wheel cover 3
Metal parts.Gusset 6 has rigidity and the merit of intensity of the side, bottom improving rear wheel cover 3
Energy.The upper end of gusset 6 is fastened on by bolt B on the side inside the car of rear wheel cover 3
(with reference to Fig. 4).The bottom of gusset 6 is fastened on floor body 2a respectively by bolt B
And on the upper surface of base plate sidepiece part 2b.Gusset 6 has inside antetheca, rear wall and car
Sidewall, and formed with the shape (skirt) the most gradually expanded.About gusset 6, after
Extended meeting illustrates.
<reinforcement tectosome>
As in figure 2 it is shown, strengthen tectosome 1 there is pair of right and left the first strengthening part 10, left and right one
To second strengthening part the 20, first bracket 30, pair of right and left the second bracket 40 and pair of right and left
Strenthening member 50.
<the first strengthening part>
First strengthening part 10 is arranged in the boundary portion of car room CR and luggage case LR, be for
Strengthen the metal rounding cartridge of boot open communication portion C.First strengthening part 10 is divided
It is slit into right strengthening part 10R and left strengthening part 10L both parts and constitutes, this right reinforcement
On the right side of parts 10R is arranged in the overall width direction central part of floor board 2 as boundary, this left reinforcement
On the left of parts 10L is arranged in the overall width direction central part of floor board 2 as boundary.Right rib
Part 10R links the overall width direction central part of floor board 2 and the side, upper end of off hind wheel cover 3.Left
Strengthening part 10L links the overall width direction central part of floor board 2 and the upper end of left back wheel cover 3
Side.
The upper end of right strengthening part 10R and left strengthening part 10L via mounting bracket 10a and leads to
Cross bolt B and be fastened on respectively on the upper end front surface of rear wheel cover 3.Right strengthening part 10R and
The bottom of left strengthening part 10L is fixed on the upper table of floor board 2 via the first bracket 30
On face.Right strengthening part 10R and left strengthening part 10L is to be gradually positioned at towards top from below
Mode outside car tilts.In other words, right strengthening part 10R and left strengthening part 10L is the end of across
The overall width direction central part of plate panel 2 and relative with herringbone (substantially V-shaped).
Fig. 3 is the enlarged partial isometric view in the left side representing body tail.
As it is shown on figure 3, in the length direction midway of left strengthening part 10L, be provided with outside car
Side and become the joggling part 11 of mode warpage of convex towards lower section.In other words, left strengthening part
10L warpage in the way of becoming convex towards left obliquely downward is formed.Further, right strengthening part 10R
Be formed as and the left symmetrical shape of strengthening part 10L, to become convex towards right obliquely downward
Mode warpage formed.As in figure 2 it is shown, by this structure, it is possible to guarantee boot commodiously
In open communication portion C by right strengthening part 10R, left strengthening part 10L, the rear wheel cover of left and right
3 and Rear Parcel Shelf 4 surround region.
<the second strengthening part>
As in figure 2 it is shown, the second strengthening part 20 is formed shorter compared with the first strengthening part 10,
It it is the metal rounding cylindrical portion that the joggling part 11 of floor board 2 and the first strengthening part 10 is linked
Part.Second strengthening part 20 has supporting joggling part 11 and improves the firm of the first strengthening part 10
Property and the function of intensity.Second strengthening part 20 with from joggling part 11 towards floor board 2 by
The mode outside car that is gradually positioned at tilts.The upper end of the second strengthening part 20 is via the second bracket 40
And be fixed on joggling part 11.The bottom of the second strengthening part 20 is via mounting bracket 20a also
It is fastened on by bolt B on the upper surface of car outboard end of floor board 2.
Here, with reference to Fig. 4, to Rear frame 5, base plate sidepiece part 2b, the second strengthening part 20,
It is specifically described with the fixture construction of gusset 6.Fig. 4 is I-I line sectional view of Fig. 3.
As shown in Figure 4, the cross section of Rear frame 5 is formed as medicated cap shape, and by opening towards upper
Just arrange.Rear frame 5 has the sidewall 5a of vertically extending left and right, sidewall 5b.
In the upper end of sidewall 5a, 5b, each extend over inside car or outside car and be formed with flange part
5c、5d.Base plate sidepiece part 2b covers from above the opening of Rear frame 5, and by welding point
Do not engage with flange part 5c, 5d and be formed between base plate sidepiece part 2b and Rear frame 5
Closed section K.The car medial end of base plate sidepiece part 2b is fixed on base plate master by welding
On the lower surface of body 2a, its car outboard end warpage upward by welding after being fixed on
On the bottom of wheel cover 3.On the lower surface of base plate sidepiece part 2b, fixed by welding
There is nut N.
The bottom (mounting bracket 20a) of the second strengthening part 20 and the lower end of gusset 6
Portion, be jointly fastened on by bolt B and nut N with Rear frame 5 to arrange position corresponding
Base plate sidepiece part 2b upper surface on.In other words, the second strengthening part 20 and gusset 6
Via base plate sidepiece part 2b, the top with Rear frame 5 links.In addition it is also possible to be configured to,
Rear frame 5 has the upper wall of the lower surface along base plate sidepiece part 2b, and the second strengthening part
20 and gusset 6 be directly anchored on the upper wall (top) of Rear frame 5.
<the first bracket>
Fig. 5 is the enlarged partial isometric view of the center side representing body tail.Fig. 6 is to represent
The partial enlargement of the state after making the first front rack in embodiment and the first tail-bracket separate
Axonometric chart.Additionally, in Figure 5, for convenience of description, eliminate seat beam, first
Seat beam bracket and the diagram of the second seat beam bracket.
As it is shown in figure 5, the first bracket 30 is to link floor board 2 and the first strengthening part 10
Metal plate-shaped member.As shown in Figure 6, the first bracket 30 is had and is fixed by welding
The first front rack 31 on the front side outer peripheral face of the bottom of right strengthening part 10R and logical
Cross welding and after being fixed on first on the rear side outer peripheral face of the bottom of left strengthening part 10L
Bracket 32.In addition it is also possible to be, right strengthening part 10R is fixed on the first tail-bracket 32
On, and left strengthening part 10L is fixed on the first front rack 31.
As shown in Figure 6, the first front rack 31 has: formed substantially in parallel with above-below direction
And the longest front longitudinal wall part 31a；In the past the lower end, left side of longitudinal wall part 31a to
The forward extension 31b that front extends；Oblique upper backward, central upper end with the past longitudinal wall part 31a
The front installation sheet 31c extended.
Front longitudinal wall part 31a is the wall-like position fixing for right strengthening part 10R.At front longitudinal wall
The center side of portion 31a is provided with recess 31d before pair of right and left.Front recess 31d and right strengthening part
The front side outer peripheral face of 10R and left strengthening part 10L shape-ordinatedly, with arc-shaped and to
Front depression is arranged.Front recess 31d is with along with side the most above outside trend car
Formula tilts.In the front recess 31d on right side, embed and be fixed with right reinforcement by welding
The front side outer peripheral face of the bottom of parts 10R.In the front recess 31d in left side, it is embedded with
The front side outer peripheral face of the bottom of left strengthening part 10L.Left and right two in front longitudinal wall part 31a
Multiple bolt inserting hole 31e, 31f it is formed through on end.
Forward extension 31b is integrally fixed at the tabular position on the upper surface of floor board 2.Before
The central lower end of extension 31b longitudinal wall part 31a in the past is extended until lower end, left side.?
Multiple bolt inserting hole 31g, 31h it is formed through on the both ends, left and right of forward extension 31b.
As it is shown in figure 5, be interspersed with in bolt inserting hole 31h for the first front rack 31 is fixed
Bolt B on the upper surface of floor board 2.
As shown in Figure 6, front installation sheet 31c is generally trapezoidal plate, as described later will be
The position that first seat crossbar bracket 8 and rear installation sheet 32c fasten jointly.At front installation sheet
A bolt inserting hole 31i it is formed through on 31c.
As shown in Figure 6, the first tail-bracket 32 has: landform almost parallel with above-below direction
Become and the longest rear longitudinal wall part 32a；From the lower end, right side of rear longitudinal wall part 32a
The rear extension 32b forwards extended；With the central upper end from rear longitudinal wall part 32a on retreading
The rear installation sheet 32c of Fang Yanshen.
Rear longitudinal wall part 32a is to fix and compared with front longitudinal wall part 31a for left strengthening part 10L
The wall-like position being located behind.After the center side of rear longitudinal wall part 32a is provided with pair of right and left recessed
Portion 32d.Outside back recesses 32d is with the rear side of right strengthening part 10R and left strengthening part 10L
Side face shape-ordinatedly, with arc-shaped and setting of rearward caving in.Back recesses 32d with
Trend car outside and mode the most above tilts.In back recesses 32d on right side,
It is embedded with the rear side outer peripheral face of the bottom of right strengthening part 10R.Back recesses 32d in left side
In, embed and be fixed with the rear side periphery of the bottom of left strengthening part 10L by welding
Face.The both ends, left and right of rear longitudinal wall part 32a are formed through multiple bolt inserting hole 32e,
32f.Bolt inserting hole 31e, 31f of bolt inserting hole 32e, 32f and the first front rack 31
On position relative before and after being formed along.As it is shown in figure 5, at bolt inserting hole 31e, 32e
And bolt inserting hole 31f, 32f are interspersed with for linking the first front rack 31 and the first butt
The bolt B of frame 32.
Rear extension 32b is integrally fixed at the tabular position on the upper surface of floor board 2.As
Shown in Fig. 6, rear extension 32b from the central lower end of rear longitudinal wall part 32a extended until
Lower end, right side.Rear extension 32b is formed through multiple bolt inserting hole 32g～32k.
As it is shown in figure 5, be interspersed with in bolt inserting hole 32h～32j for by the first tail-bracket 32
It is fixed on the bolt B on the upper surface of floor board 2.Before bolt inserting hole 32g and first
The bolt inserting hole 31g of bracket 31 is formed along on position opposing upper and lower.Intert at bolt
Hole 31g, 32g are interspersed with for linking the first front rack 31 and spiral shell of the first tail-bracket 32
Bolt B.The downside of the rear extension 32b lower end, right side of longitudinal wall part 31a in the past is passed through, and with front
Longitudinal wall part 31a is compared and is forwards extended.
As shown in Figure 6, rear installation sheet 32c is generally trapezoidal plate, is as described later
The position that first seat crossbar bracket 8 and front installation sheet 31c are fastened jointly.In rear installation
A bolt inserting hole 32l it is formed through on sheet 32c.
Additionally, in the present embodiment, make to be welded with first forestock of right strengthening part 10R
Frame 31 is the most overlapping with the first tail-bracket 32 being welded with left strengthening part 10L,
Thus, make the bottom of right strengthening part 10R and left strengthening part 10L respectively fitted in front
In recess 31d and back recesses 32d.And, by bolt B by the first front rack 31 and first
Tail-bracket 32 is fastened and fixed, and thus, makes right strengthening part 10R and left strengthening part 10L phase
Link mutually.
<the second bracket>
Fig. 7 is to represent the first strengthening part made in embodiment, the second strengthening part and
The axonometric chart of the state after two brackets separation.
As it is shown in fig. 7, the second bracket 40 is by the joggling part 11 of the first strengthening part 10
Sandwich in the longitudinal direction with the upper end of the second strengthening part 20 and fixing metal portion
Part.Second bracket 40 has from front supporting joggling part 11 and the of the second strengthening part 20
Two front racks 41 and from rear supporting joggling part 11 and the second strengthening part 20 second after
Bracket 42.Additionally, the second bracket 40 can also be made up of single parts.
Second front rack 41 has and is positioned at joggling part 11 and the border of the second strengthening part 20
Base portion 41a in portion and extend to three directions from base portion 41a and with arc-shaped and forwards
Cave in first arranged～the 3rd linking part 41b～41d.Base portion 41a abuts and is bearing in joggling part
On the front side outer peripheral face of 11.First linking part 41b is connected to upside compared with joggling part 11
Fix on the outer peripheral face of front side and by welding.Second linking part 41c is compared with joggling part 11
It is connected to fix on the front side outer peripheral face of downside and by welding.3rd linking part 41d supports
Fix on the front side outer peripheral face of the upper end being connected on the second strengthening part 20 and by welding.
Additionally, on the front surface of the second linking part 41c, be fixed with by welding for installing
The mounting bracket 43 of not shown inner decoration material.
Second tail-bracket 42 is vertically extending plate-shaped member.At the second tail-bracket
On the upper end of 42, be provided with in the way of the most arranged side by side with arc-shaped and rearward depression set
The 4th linking part 42a put and the 5th linking part 42b.4th linking part 42a is connected to warpage
Fix on the rear side outer peripheral face in portion 11 and by welding.5th linking part 42b is connected to
Fix on the rear side outer peripheral face of the upper end of two strengthening parts 20 and by welding.After second
The bottom of bracket 42 is in order to load not shown inner decoration material and rearward warpage.
<strenthening member>
Fig. 8 is II-II line sectional view of the Fig. 3 in the cross section representing strenthening member.
As it is shown on figure 3, strenthening member 50 is to be strengthened by the first strengthening part 10 and second
The plate body extended along above-below direction between parts 20 constitutes and is arranged in the second bracket 40
Overall width direction outside metal parts.Strenthening member 50 has following function: work as effect
When having power on separate direction between the first strengthening part 10 and the second strengthening part 20,
Suppress the separately deformation of the first strengthening part 10 and the second strengthening part 20.In strenthening member
On 50, it is set up in parallel rigidity multiple being improved this strenthening member 50 along overall width direction
(such as two) reinforcement 51.As shown in Figure 8, reinforcement 51 is to become towards front
The mode of convex bloats formation, and vertically extending.Additionally, the number of reinforcement 51
Can also suitably change.It addition, reinforcement 51 can also be to become convex towards rear
Mode bloats formation.
<seat beam>
Fig. 9 is the enlarged partial isometric view of the center side representing body tail.Figure 10 is figure
III-III line sectional view of 9.
As it is shown in figure 9, seat beam 7 is to be arranged in the end in the way of the extension of overall width direction
The metal rounding cartridge of the top of plate panel 2.Seat beam 7 is arranged in the first reinforcement
Parts 10 and the front of the second strengthening part 20.On the upside outer peripheral face of seat beam 7,
It is provided with in Fig. 10 by the back seat S's shown in dummy line via not shown mounting bracket
Bottom.Additionally, forward extension 31b and rear extension 32b compared with seat beam 7 forward
Fang Yanshen.As it is shown in figure 1, the both ends, left and right of seat beam 7 are installed via pair of right and left
Bracket 7a and be fixed on floor board 2.
<the first seat crossbar bracket>
As it is shown in figure 9, the first seat crossbar bracket 8 is in the upside from seat beam 7
The metal plate-shaped member that outer peripheral face obliquely downward backward extends after extending upward.First
On the edge of the left and right sides of seat beam bracket 8, it is respectively formed with this first seat of raising
Multiple (such as two) reinforcement 8a of the rigidity of crossbar bracket 8.Reinforcement 8a with towards
Top and become the mode of convex and bloat formation.The leading section of the first seat crossbar bracket 8 leads to
Cross welding and be fixed on the outer peripheral face of the upside of seat beam 7.In the first seat beam torr
In the rearward end of frame 8, it is formed through a bolt inserting hole 8b.As shown in Figure 10, spiral shell
Bolt inserting hole 8b, the bolt inserting hole 31i of the first front rack 31 and the first tail-bracket 32
Bolt inserting hole 32l be formed along on position opposing upper and lower.Bolt inserting hole 8b,
31i, 32l are interspersed with bolt B, thus, the first seat crossbar bracket 8 and the first front rack
The front installation sheet 31c of the 31 and rear installation sheet 32c of the first tail-bracket 32 fastens jointly.Pass through
This structure, the first front rack 31 and the first tail-bracket 32 are via the first seat crossbar bracket 8
And link with seat beam 7.
<the second seat beam bracket>
As it is shown in figure 9, the second seat beam bracket 9 is in the front side from seat beam 7
The metal plate-shaped member that outer peripheral face obliquely downward forward forwards extends after extending.Second
On seat beam bracket 9, left and right is formed separately and is improved this second seat beam bracket 9
Multiple (such as two) reinforcement 9a of rigidity.Reinforcement 9a is with towards relative to second
Direction (front or top) that the bearing of trend of seat beam bracket 9 is substantially orthogonal and become
The mode of convex bloats formation.The rearward end of the second seat beam bracket 9 is consolidated by welding
Be scheduled on seat beam 7 from the outer peripheral face of upside to front side.At the second seat beam bracket 9
Leading section on, be formed through a bolt inserting hole 9b.Bolt inserting hole 9b and first
The bolt inserting hole 32k of tail-bracket 32 is formed along on position opposing upper and lower.Wear at bolt
Jack 9b, 32k are interspersed with bolt B, thus, the second seat beam bracket 9 and first
The rear extension 32b of tail-bracket 32 fastens jointly.By this structure, the first tail-bracket 32
Link with seat beam 7 via the second seat beam bracket 9.
The vehicle V of the back structure of vehicle body being suitable in embodiments of the present invention is substantially
It is configured as described above, then, its action effect is illustrated.
According to present embodiment, because setting in the length direction midway of the first strengthening part 10
There is joggling part 11, so the freedom shape of the first strengthening part 10 improves.Therefore, even if
In the feelings that by the first strengthening part 10, boot open communication portion C is divided into multiple region
Under condition, also can make the first strengthening part 10 warpage in the way of being able to ensure that wider region,
And obtain the structure not hindering boot connectivity capabilities.Especially, in the present embodiment,
First strengthening part 10 configures with herringbone, it is possible to guarantee that boot connection is opened broaderly
Being surrounded by the first strengthening part 10, the rear wheel cover 3 of left and right and Rear Parcel Shelf 4 in oral area C
Region, more will not hinder the structure of boot connectivity capabilities therefore, it is possible to obtain.
According to present embodiment, the first strengthening part 10 links floor board 2 and rear wheel cover
The side, upper end of 3, it is possible to guarantee rigidity and the intensity of body tail.Especially, at this
In embodiment, because the second strengthening part 20 links floor board 2 and joggling part 11, institute
To improve rigidity and the intensity of the joggling part 11 of supporting the first strengthening part 10.Therefore,
Even if in the case of being provided with joggling part 11 on the first strengthening part 10, first also can be suppressed
The rigidity of strengthening part 10 reduces and intensity reduces, and can suitably guarantee the firm of body tail
Property and intensity.
According to present embodiment, because the second strengthening part 20 is fixed on and rigidity and intensity
On the upper surface arranging floor board corresponding to position 2 of higher Rear frame 5, so carrying
The installation rigidity of high second strengthening part 20 and installation strength.Prop up accordingly, because improve
Hold rigidity and the intensity of the joggling part 11 of the first strengthening part 10, it is possible to after making vehicle body
The rigidity in portion and intensity improve.
According to present embodiment, because gusset 6 links floor board 2 and rear wheel cover 3
Side, bottom, it is possible to improve rigidity and the intensity of the side, bottom of rear wheel cover 3.It addition,
Because this gusset 6 and the second strengthening part 20 are fastened on and the setting of Rear frame 5 jointly
On the upper surface of the floor board 2 that position is corresponding, so improve the second strengthening part 20
Rigidity and installation strength are installed.Accordingly, because improve the folding of supporting the first strengthening part 10
The rigidity of pars convoluta 11 and intensity, it is possible to make the rigidity of body tail and intensity improve.
According to present embodiment, because the second bracket 40 is by the warpage of the first strengthening part 10
Portion 11 and the second strengthening part 20 sandwich in the longitudinal direction and fix, it is possible to strengthen
First strengthening part 10 and the linking part of the second strengthening part 20.Particularly since can
Strengthen the joggling part 11 of the first strengthening part 10, even if so on the first strengthening part 10
In the case of being provided with joggling part 11, also can suppress rigidity and the intensity of the first strengthening part 10
Reduction, and can suitably guarantee rigidity and the intensity of body tail.
According to present embodiment, because the strenthening member of plate body 50 is arranged in the second bracket 40
Overall width direction outside, and edge between the first strengthening part 10 and the second strengthening part 20
Above-below direction to extend and link, even if so having the first strengthening part 10 and the in effect
Between two strengthening parts 20 in the case of the power on separate direction, by strenthening member 50
Support between the first strengthening part 10 and the second strengthening part 20, also can suppress separately to become
Shape, and can suitably guarantee rigidity and the intensity of body tail.
According to present embodiment, because setting side by side along overall width direction in strenthening member 50
It is equipped with in the way of becoming convex towards front to bloat and highlights and vertically extending many
Individual reinforcement 51, so improve rigidity and the intensity of strenthening member 50 self.Therefore, i.e.
Make to have separate direction between the first strengthening part 10 and the second strengthening part 20 in effect
On power in the case of, strengthened at the first strengthening part 10 and second by strenthening member 50
Support between parts 20, also can suppress further separately to deform, and the firm of body tail can be made
Property and intensity improve further.
According to present embodiment, because the first strengthening part 10 is divided into left strengthening part
10L and right strengthening part 10R and constitute, it is possible to the first strengthening part 10 1 is divided into
Two ground, it is mounted in car with compact and light weight state, and, improve and strengthen first
Workability when parts 10 are assembled on vehicle body.
According to present embodiment, because right strengthening part 10R and left strengthening part 10L leads to
Cross and fix the first front rack 31 and the first tail-bracket 32 and interconnected, and via first
Front rack 31 and the first tail-bracket 32 and link with floor board 2, even if so by
In the case of one strengthening part 10 is divided into two, also can suppress the peace of the first strengthening part 10
Dress rigidity and the reduction of installation strength.
According to present embodiment, by the first front rack 31 and the first tail-bracket 32 are fixed
It is fixed to the most again on floor board 2, it is possible to by left strengthening part 10L and right strengthening part
10R is also secured on floor board 2 when linking, therefore, even if by the
In the case of one strengthening part 10 is divided into two, also can improve the first strengthening part 10 groups
Workability when installing on floor board 2.
According to present embodiment, because the first front rack 31 and the first tail-bracket 32 are via
One seat beam bracket 8 and be arranged on rigidity and the higher seat beam 7 of intensity, so
The first front rack 31 and the installation rigidity of the first tail-bracket 32 and installation strength can be made to improve.
According to present embodiment, because the first tail-bracket 32 is via the second seat beam bracket
9 and be arranged on rigidity and the higher seat beam 7 of intensity, it is possible to make the first tail-bracket
The installation rigidity of 32 and installation strength improve.
Above, referring to the drawings embodiments of the present invention are illustrated, but this
Bright it is not limited to this, it is also possible to the most suitably change.
In the present embodiment, in the way of being divided into two parts, the first strengthening part is constituted
10, but the present invention is not limited to this, it is also possible to constituted the first strengthening part with single parts
10。
Alternatively, it is also possible to constitute the first strengthening part 10 and the second strengthening part as shown in figure 11
20.First strengthening part 10 warpage in the way of becoming convex inside car of variation
Be formed as L-shaped (く font).In other words, at the length direction of the first strengthening part 10
Halfway, the joggling part 11 of warpage in the way of becoming convex inside car it is provided with.Across
The joggling part 11 of the first strengthening part 10, position, upside is with the gradually position towards top from below
Mode outside car tilts.Across the joggling part 11 of the first strengthening part 10, position, downside
Tilt in the way of being gradually positioned at outside car towards lower section from top.First strengthening part 10
Link the car outboard end of floor board 2 and the side, upper end (with reference to Fig. 2) of rear wheel cover 3.
Second strengthening part 20 of variation with from joggling part 11 towards floor board 2 gradually position
Mode inside car tilts.Second strengthening part 20 links the overall width direction of floor board 2
Central part and joggling part 11.
Claims (11)
1. a back structure of vehicle body, it has:
Base plate；
The pair of rear wheels cover erected from the both ends, overall width direction of described base plate；
After extending along overall width direction in the way of making the upper end of described rear wheel cover be connected to each other
Shelf；
The boot being surrounded by described base plate, described rear wheel cover and described Rear Parcel Shelf and being formed is even
Open up oral area；With
Strengthen the strengthening part in described boot open communication portion, the feature of this back structure of vehicle body
It is,
Described strengthening part has:
First strengthening part, links the side, upper end of described base plate and described rear wheel cover, and
Length direction midway is provided with joggling part；With
Link the second strengthening part of described base plate and described joggling part.
Back structure of vehicle body the most according to claim 1, it is characterised in that also have
The Rear frame extended along the longitudinal direction, this Rear frame be fixed on the lower surface of described base plate and
It is fixed on both ends, overall width direction,
Described second strengthening part be fixed on described Rear frame arrange position corresponding described in
On the upper surface of base plate.
Back structure of vehicle body the most according to claim 2, it is characterised in that also have
Link the gusset of described base plate and the side, bottom of described rear wheel cover,
Described second strengthening part and described gusset are fastened on and the setting of described Rear frame jointly
On the upper surface of the described base plate that seated position is corresponding.
4., according to the back structure of vehicle body according to any one of claims 1 to 3, its feature exists
In, described first strengthening part is divided into right strengthening part and left strengthening part and constitutes, should
On the right side of right strengthening part is arranged in the overall width direction center side of described base plate as boundary, this left reinforcement
On the left of parts are arranged in the overall width direction center side of described base plate as boundary,
The bottom of described right strengthening part and described left strengthening part is fixed on the car of described base plate
Cross direction center side.
Back structure of vehicle body the most according to claim 4, it is characterised in that also have
The first bracket that described right strengthening part and described left strengthening part are connected with described base plate,
Described first bracket has: be arranged in described right strengthening part and described left strengthening part
The first front rack on the front surface of any one party and be arranged on described right strengthening part and institute
State the first tail-bracket on the rear surface of the opposing party in left strengthening part,
Described right strengthening part and described left strengthening part by fixing described first front rack and
Described first tail-bracket and interconnected.
Back structure of vehicle body the most according to claim 1, it is characterised in that also have
By the described joggling part of described first strengthening part and described second strengthening part at fore-and-aft direction
On sandwich and the second fixing bracket.
Back structure of vehicle body the most according to claim 6, it is characterised in that also have
Be arranged in outside the overall width direction of described second bracket and link described first strengthening part with
The strenthening member of described second strengthening part.
Back structure of vehicle body the most according to claim 7, it is characterised in that described in add
Gu component passes through between described first strengthening part and described second strengthening part along up and down
The plate body that direction extends is constituted.
9. according to the back structure of vehicle body described in claim 7 or 8, it is characterised in that
In described strenthening member, it is set side by side with along overall width direction and bloats along the longitudinal direction and along upper
Multiple reinforcements that lower direction extends.
Back structure of vehicle body the most according to claim 5, it is characterised in that also have:
To be arranged in the top of described base plate and to be provided with seat in the way of the extension of overall width direction
Seat beam；With
Leading section is arranged on described seat beam and rearward end and described first front rack and institute
State the first seat crossbar bracket that the first tail-bracket fastens jointly.
11. back structure of vehicle body according to claim 10, it is characterised in that described
First tail-bracket has the extension forwards extended compared with described seat beam,
Described back structure of vehicle body also has rearward end and is arranged on described seat beam and front end
The second seat beam bracket that the described extension of portion and described first tail-bracket fastens jointly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013041191A JP5689489B2 (en) | 2013-03-01 | 2013-03-01 | Car body rear structure |
| JP2013-041191 | 2013-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015809A CN104015809A (en) | 2014-09-03 |
| CN104015809B true CN104015809B (en) | 2016-09-21 |
Family
ID=51432899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410046018.5A Active CN104015809B (en) | 2013-03-01 | 2014-02-08 | Back structure of vehicle body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5689489B2 (en) |
| CN (1) | CN104015809B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6900898B2 (en) * | 2017-12-26 | 2021-07-07 | トヨタ自動車株式会社 | Rear structure of the car body |
| JP7139863B2 (en) * | 2018-10-15 | 2022-09-21 | トヨタ自動車株式会社 | vehicle rear structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791529A (en) * | 2003-05-15 | 2006-06-21 | 英提尔汽车公司 | Vehicular rear cargo module |
| CN101269675A (en) * | 2007-03-22 | 2008-09-24 | 铃木汽车公司 | Structure of rear portion of car body |
| CN101327812A (en) * | 2007-06-22 | 2008-12-24 | 本田技研工业株式会社 | Vehicle body rear part structure |
| JP2009107387A (en) * | 2007-10-26 | 2009-05-21 | Mazda Motor Corp | Vehicle body structure for automobile |
| JP2010184630A (en) * | 2009-02-13 | 2010-08-26 | Kanto Auto Works Ltd | Rear body structure of trunk-through portion |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05338558A (en) * | 1992-06-08 | 1993-12-21 | Toyota Autom Loom Works Ltd | Fitting structure of reinforcing member for automobile |
| JP3185839B2 (en) * | 1994-03-31 | 2001-07-11 | 日産自動車株式会社 | Reinforcement structure at the rear of the vehicle |
| JP4114002B2 (en) * | 2002-04-23 | 2008-07-09 | マツダ株式会社 | Rear body structure of automobile |
| US7055837B2 (en) * | 2003-12-08 | 2006-06-06 | Eric Noble | Strut/shock crossmember |
-
2013
- 2013-03-01 JP JP2013041191A patent/JP5689489B2/en not_active Expired - Fee Related
-
2014
- 2014-02-08 CN CN201410046018.5A patent/CN104015809B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1791529A (en) * | 2003-05-15 | 2006-06-21 | 英提尔汽车公司 | Vehicular rear cargo module |
| CN101269675A (en) * | 2007-03-22 | 2008-09-24 | 铃木汽车公司 | Structure of rear portion of car body |
| CN101327812A (en) * | 2007-06-22 | 2008-12-24 | 本田技研工业株式会社 | Vehicle body rear part structure |
| JP2009107387A (en) * | 2007-10-26 | 2009-05-21 | Mazda Motor Corp | Vehicle body structure for automobile |
| JP2010184630A (en) * | 2009-02-13 | 2010-08-26 | Kanto Auto Works Ltd | Rear body structure of trunk-through portion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104015809A (en) | 2014-09-03 |
| JP5689489B2 (en) | 2015-03-25 |
| JP2014169004A (en) | 2014-09-18 |
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